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khosb/application/classes/ORM/OSB.php

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<?php defined('SYSPATH') or die('No direct access allowed.');
/**
* This class extends Kohana's [ORM] class to create defaults for OSB.
*
* @package OSB
* @category Helpers
* @author Deon George
* @copyright (c) 2009-2013 Open Source Billing
* @license http://dev.osbill.net/license.html
*/
abstract class ORM_OSB extends ORM {
/**
* @var string Database to connect to
*/
protected $_db = 'default';
protected $_created_column = array('column'=>'date_orig','format'=>TRUE);
protected $_updated_column = array('column'=>'date_last','format'=>TRUE);
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// Our attributes used in forms.
protected $_form = array();
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// Our attributes that should be converted to NULL when empty
protected $_nullifempty = array();
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// Our attribute values that need to be stored as serialized
protected $_serialize_column = array();
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// Rules to assist with site ID and getting next record ID for inserts.
public function rules() {
return array(
'id'=>array(
array('ORM_OSB::get_next_id',array(':model',':field')),
),
'site_id'=>array(
array('ORM_OSB::set_site_id',array(':model',':field')),
),
);
}
/**
* Retrieve and Store DB BLOB data.
*/
private function _blob($data,$set=FALSE) {
try {
return $set ? gzcompress($this->_serialize($data,$set)) : $this->_serialize(gzuncompress($data));
// Maybe the data isnt compressed?
} catch (Exception $e) {
return $this->_serialize($data,$set);
}
}
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/**
* Auto process some data as it comes from the database
* @see parent::__get()
*/
public function __get($column) {
if (array_key_exists($column,$this->_table_columns)) {
// If the column is a blob, we'll decode it automatically
if (
$this->_table_columns[$column]['data_type'] == 'blob'
AND ! is_null($this->_object[$column])
AND ! isset($this->_changed[$column])
AND (! isset($this->_table_columns[$column]['auto_convert']) OR ! $this->_table_columns[$column]['auto_convert'])
) {
// In case our blob hasnt been saved as one.
try {
$this->_object[$column] = $this->_blob($this->_object[$column]);
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}
catch(Exception $e) {
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HTTP_Exception::factory(501,Kohana_Exception::text($e));
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}
$this->_table_columns[$column]['auto_convert'] = TRUE;
}
// If the column is a serialized object, we'll unserialize it.
if (
in_array($column,$this->_serialize_column)
AND is_string($this->_object[$column])
AND ! is_null($this->_object[$column])
AND ! isset($this->_changed[$column])
AND (! isset($this->_table_columns[$column]['unserialized']) OR ! $this->_table_columns[$column]['unserialized'])
) {
// In case our object hasnt been saved as serialized.
try {
$this->_object[$column] = unserialize($this->_object[$column]);
}
catch(Exception $e) {
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HTTP_Exception::factory(501,Kohana_Exception::text($e));
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}
$this->_table_columns[$column]['unserialized'] = TRUE;
}
}
return parent::__get($column);
}
/**
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* If a column is marked to be nullified if it is empty, this is where it is done.
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*/
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private function _nullifempty(array $array) {
foreach ($array as $k=>$v) {
if (is_array($v)) {
if (is_null($x=$this->_nullifempty($v)))
unset($array[$k]);
else
$array[$k] = $x;
} else
if (! $v)
unset($array[$k]);
}
return count($array) ? $array : NULL;
}
/**
* Try and (un)serialize our data, and if it fails, just return it.
*/
private function _serialize($data,$set=FALSE) {
try {
return $set ? serialize($data) : unserialize($data);
// Maybe the data serialized?
} catch (Exception $e) {
return $data;
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}
}
public function config($key) {
$mc = Config::instance()->module_config($this->_object_name);
return empty($mc[$key]) ? '' : $mc[$key];
}
/**
* Get Next record id
*
* @param array Validate object
* @param string Primary Key
*/
final public static function get_next_id($model,$field) {
if (! is_null($model->$field))
return TRUE;
$model->_changed[$field] = $field;
$ido = ORM::factory('Module')
->where('name','=',$model->_table_name)
->find();
if (! $ido->loaded())
throw new Kohana_Exception('Problem getting record_id for :table',array(':table'=>$model->_table_name));
$model->$field = $ido->record_id->next_id($ido->id);
return TRUE;
}
public function keyget($column,$key=NULL) {
if (is_null($key) OR ! is_array($this->$column))
return $this->$column;
else
return array_key_exists($key,$this->$column) ? $this->{$column}[$key] : NULL;
}
final public function module() {
return ORM::factory(Kohana::classname($this->name));
}
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final public function mid() {
return ORM::factory('Module',array('name'=>$this->_table_name));
}
public function save(Validation $validation = NULL) {
// Find any fields that have changed, and process them.
if ($this->_changed)
foreach ($this->_changed as $c) {
// Convert to NULL
if (in_array($c,$this->_nullifempty)) {
if (is_array($this->_object[$c]))
$this->_object[$c] = $this->_nullifempty($this->_object[$c]);
elseif (! $this->_object[$c])
$this->_object[$c] = NULL;
}
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// Any fields that are blobs, and encode them.
if (! is_null($this->_object[$c]) AND $this->_table_columns[$c]['data_type'] == 'blob') {
$this->_object[$c] = $this->_blob($this->_object[$c],TRUE);
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// We need to reset our auto_convert flag
if (isset($this->_table_columns[$c]['auto_convert']))
$this->_table_columns[$c]['auto_convert'] = FALSE;
// Any fields that should be seriailzed, we'll do that.
} elseif (is_array($this->_object[$c]) AND in_array($c,$this->_serialize_column)) {
$this->_object[$c] = serialize($this->_object[$c]);
}
}
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return parent::save($validation);
}
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/**
* Set the site ID attribute for each row update
*/
final public static function set_site_id($model,$field) {
if (! is_null($model->$field))
return TRUE;
$model->_changed[$field] = $field;
$model->$field = Company::instance()->site();
return TRUE;
}
public function status($render=FALSE) {
if (! isset($this->_table_columns['status']))
return NULL;
if (! $render)
return $this->display('status');
return View::factory(Config::theme().'/status')
->set('label',$this->status ? 'label-success' : '')
->set('status',$this->display('status'));
}
/**
* Function help to find records that are active
*/
public function list_active() {
return $this->_where_active()->find_all();
}
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public function list_count($active=TRUE) {
$x=($active ? $this->_where_active() : $this);
return $x->find_all()->count();
}
/**
* Return an array of data that can be used in a SELECT statement.
* The ID and VALUE is defined in the model for the select.
*/
public function list_select($blank=FALSE) {
$result = array();
if ($blank)
$result[] = '';
if ($this->_form AND array_intersect(array('id','value'),$this->_form))
foreach ($this->find_all() as $o)
$result[$o->{$this->_form['id']}] = $o->{$this->_form['value']};
return $result;
}
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}
?>